/Engine/Plugins/Developer/Concert/ConcertUI/ConcertSharedSlate/Source/ConcertSharedSlate/Public/Session/History/SSessionHistory.h
Callback for handling the a new or updated activity item.
void HandleActivityAddedOrUpdated ( const [FConcertClientInfo](API\Plugins\Concert\FConcertClientInfo) & InClientInfo, const [FConcertSyncActivity](API\Plugins\ConcertSyncCore\FConcertSyncActivity) & InActivity, const [FStructOnScope](API\Runtime\CoreUObject\UObject\FStructOnScope) & InActivitySummary )